Across
- 2. a course grain igneous rock
- 3. you are most likely to find fossils in this type of rock
- 6. the layer of the earth just below the crust
- 7. the process by which sediment is moved
- 8. glassy volcanic rock
- 10. a force that increases as you go deeper underground
- 15. to change into another form
- 17. you get these when you scratch a rock sample on a unglazed tile
- 18. this describes how reflective a rock is
- 19. has a mohs hardness scale of 7
- 21. the layer of the earth on which we live
- 24. you need intense heat and pressure to form this type of rock
- 26. the second layer from the centre of the earth
- 27. the very centre of the earth
- 28. a word that describes how hard something is
Down
- 1. like metal
- 4. molten rock that is still underground
- 5. the building blocks of sedimentary rock
- 6. rocks are made up of these
- 9. this is how rocks are broken down is size
- 11. the planet on which we live
- 12. The Rock __________
- 13. extrusive igneous rock has small one of these
- 14. a type of rock used to make buildings and sculptures
- 16. the rock formed by the solidification of lava
- 20. the science of studying the earth
- 22. a physical quantity that expresses hot and cold
- 23. molten rock
- 25. a word used to describe how big something is